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"""This module contains the Trino operator."""

from __future__ import annotations

from collections.abc import Sequence
from typing import Any, ClassVar

from deprecated import deprecated
from trino.exceptions import TrinoQueryError

from airflow.exceptions import AirflowProviderDeprecationWarning
from airflow.providers.common.sql.operators.sql import SQLExecuteQueryOperator
from airflow.providers.trino.hooks.trino import TrinoHook


@deprecated(
    reason="Please use `airflow.providers.common.sql.operators.sql.SQLExecuteQueryOperator`.",
    category=AirflowProviderDeprecationWarning,
)
class TrinoOperator(SQLExecuteQueryOperator):
    """
    Executes sql code using a specific Trino query Engine.

    This class is deprecated.

    Please use :class:`airflow.providers.common.sql.operators.sql.SQLExecuteQueryOperator`.

    .. seealso::
        For more information on how to use this operator, take a look at the guide:
        :ref:`howto/operator:TrinoOperator`

    :param sql: the SQL code to be executed as a single string, or
        a list of str (sql statements), or a reference to a template file.
    :param trino_conn_id: id of the connection config for the target Trino
        environment
    :param autocommit: What to set the connection's autocommit setting to
        before executing the query
    :param handler: The result handler which is called with the result of each statement.
    :param parameters: (optional) the parameters to render the SQL query with.
    """

    template_fields: Sequence[str] = ("sql",)
    template_fields_renderers: ClassVar[dict] = {"sql": "sql"}
    template_ext: Sequence[str] = (".sql",)
    ui_color = "#ededed"

    def __init__(self, *, trino_conn_id: str = "trino_default", **kwargs: Any) -> None:
        super().__init__(conn_id=trino_conn_id, **kwargs)

    def on_kill(self) -> None:
        if self._hook is not None and isinstance(self._hook, TrinoHook):  # type: ignore[attr-defined]
            query_id = "'" + self._hook.query_id + "'"  # type: ignore[attr-defined]
            try:
                self.log.info("Stopping query run with queryId - %s", self._hook.query_id)  # type: ignore[attr-defined]
                self._hook.run(  # type: ignore[attr-defined]
                    sql=f"CALL system.runtime.kill_query(query_id => {query_id},message => 'Job "
                    f"killed by "
                    f"user');",
                    handler=list,
                )
            except TrinoQueryError as e:
                self.log.info(str(e))
            self.log.info("Trino query (%s) terminated", query_id)
